<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        body{
            display: flex;
            flex-direction: row;
        }
        #column-1{
            width: 200px;
            background-color: red;
            height: 500px;
        }
        #column-2{
            flex: 1;
            background-color: cyan;
            height: 500px;
        }
        #column-3{
            width: 200px;
            background-color: yellow;
            height: 500px;
        }
    </style>
</head>
<body>
<div id="column-1"></div>
<div id="column-2"></div>
<div id="column-3"></div>
</body>
</html>
